package org.lai.filter;

import jakarta.servlet.*;
import jakarta.servlet.annotation.WebFilter;
import lombok.extern.slf4j.Slf4j;

import java.io.IOException;
@Slf4j
//@WebFilter(urlPatterns = "/*")
public class AbcFilter implements Filter{
    // 初始化方法,web服务器启动时执行一次
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        log.info("init 初始化方法");
    }
    // 过滤方法,拦截到请求时,执行,会执行多次
    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        log.info("doFilter 拦截到了请求");
        // 放行
        filterChain.doFilter(servletRequest,servletResponse);
        log.info("doFilter 放行了请求");
    }
    // 销毁方法,web服务器关闭时执行一次
    @Override
    public void destroy() {
        log.info("destroy 销毁方法");
    }
}
